Justin Cooney

Web Development Tips and Examples

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about

I am a Senior Applications Programmer / Analyst with years of experience developing enterprise solutions using the Microsoft technology stack including C#, VB.NET, ASP.NET, AJAX, IIS and SQL Server. I specialize in Web application development with a focus on building secure systems, integrating applications, and designing robust database structures.

Category: Ubuntu

  • Ubuntu Linux Basic System Maintenance Commands

    I’m fairly new to Ubuntu Linux since I usually use Windows machines. I recently picked up a Dell XPS 13 plus running Ubuntu with the hopes of getting to know more about the Ubuntu operating system and developing apps on it as well as just in general navigating around in it. So far I really…

  • Ubuntu Linux – Debugging the Error: the list of sources could not be read

    After installing and quickly uninstalling some software on my Ubuntu machine I saw an error on each boot saying: linux the list of sources could not be read.  It also included the name that was causing the problem abc.list. In my case it was a file called waydroid.list that was causing the trouble after I had…